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Webster's 1913 Dictionary
PSEUDO-SYMMETRY
Pseu `do-sym "
me
*
try,
n.
Etym:
[
Pseudo-
+
symmetry.
] (Crystallog.)
Defn: A
kind
of
symmetry
characteristic
of
certain
crystals
which
from
twinning,
or
other
causes,
come
to
resemble
forms
of
a
system
other
than
that
to
which
they
belong,
as
the
apparently
hexagonal
prisms
of
aragonite.
The Wordsmith Dictionary
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